/usr/include/osl/game_playing/speculativeAllMoves.h is in libosl-dev 0.4.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*/
#ifndef OSL_SPECULATIVEALLMOVES_H
#define OSL_SPECULATIVEALLMOVES_H
#include "osl/game_playing/computerPlayer.h"
#include "osl/game_playing/speculativeModel.h"
#include "osl/misc/lightMutex.h"
#include "osl/misc/fixedCapacityVector.h"
#include "osl/misc/milliSeconds.h"
#include <boost/thread/thread.hpp>
#include <boost/thread/condition.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
namespace osl
{
namespace misc
{
class RealTime;
}
namespace search
{
struct TimeAssigned;
}
namespace game_playing
{
class SearchPlayer;
/**
* 1threadで全ての手を順番に投機的探索をする
*/
class SpeculativeAllMoves : public SpeculativeModel
{
public:
class SearchAllMoves;
class ResultVector;
private:
boost::shared_ptr<SearchAllMoves> searcher;
boost::scoped_ptr<boost::thread> thread;
boost::scoped_ptr<ResultVector> results;
boost::mutex mutex;
int last_search_seconds;
bool has_byoyomi;
bool allowed;
HashKey search_state;
public:
SpeculativeAllMoves();
~SpeculativeAllMoves();
void startSpeculative(const boost::shared_ptr<GameState> state,
const SearchPlayer& main_player);
void stopOtherThan(Move);
void stopAll();
void setMaxThreads(int new_max_threads)
{
boost::mutex::scoped_lock lk(mutex);
allowed = (new_max_threads > 0);
}
const MoveWithComment waitResult(Move last_move, search::TimeAssigned wait_for,
SearchPlayer& main_player, int byoyomi);
void selectBestMoveCleanUp();
void clearResource();
const HashKey searchState() const { return search_state; }
private:
struct Runner;
};
class SpeculativeAllMoves::ResultVector
{
typedef FixedCapacityVector<std::pair<Move,MoveWithComment>,Move::MaxUniqMoves> vector_t;
vector_t data;
typedef LightMutex Mutex;
mutable Mutex mutex;
public:
ResultVector();
~ResultVector();
void add(Move prediction, const MoveWithComment& result);
const MoveWithComment* find(Move prediction) const;
void clear();
void show(std::ostream&) const;
};
/**
* 指手を生成し，結果をresultsにためる．
* run を別threadで動かすことを想定しているが，逐次でもテスト可
*/
class SpeculativeAllMoves::SearchAllMoves
{
public:
enum Status {
INITIAL, RUNNING, PREDICTION1, PREDICTION2, SEARCH1, SEARCH2, FINISHED
};
struct Generator;
friend struct Generator;
friend class SpeculativeAllMoves;
private:
boost::shared_ptr<GameState> state;
boost::shared_ptr<SearchPlayer> player;
boost::scoped_ptr<Generator> generator;
SpeculativeAllMoves::ResultVector& results;
double next_iteration_coefficient;
Move current_move;
volatile Status status;
int seconds;
typedef boost::mutex Mutex;
mutable Mutex mutex;
boost::condition condition;
/** true なら次の予想探索にはいらない */
volatile bool stop_flag;
public:
explicit SearchAllMoves(SpeculativeAllMoves::ResultVector&);
~SearchAllMoves();
void setUp(const GameState&, const SearchPlayer&, int standard_seconds,
bool has_byoyomi);
void run();
void stopNow();
void stopOtherThan(Move);
void waitRunning();
bool isFinished() const { return status == FINISHED; }
void setTimeAssign(const search::TimeAssigned&);
const MilliSeconds startTime();
const Move currentMove() const;
SearchPlayer* currentPlayer() { return player.get(); }
private:
const MoveWithComment testMove(Move);
struct StatusLock;
};
} // game_playing
} // osl
#endif /* OSL_SPECULATIVEALLMOVES_H */
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